package com.itheima.controller;


import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.common.R;
import com.itheima.dto.DishDto;
import com.itheima.dto.SetmealDto;
import com.itheima.entity.Category;
import com.itheima.entity.Dish;
import com.itheima.entity.Setmeal;
import com.itheima.service.CategoryService;
import com.itheima.service.SetmealDishService;
import com.itheima.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cache.annotation.CacheEvict;
import org.springframework.cache.annotation.Cacheable;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@Slf4j
@RestController
@RequestMapping("/setmeal")
public class SetmealController {

    @Autowired
    private SetmealDishService setmealDishService;

    @Autowired
    private CategoryService categoryService;
    @Autowired
    private SetmealService setmealService;

    /**
     * 添加
     * @param setmealDto
     * @return
     */
    @PostMapping
    @CacheEvict(value = "setmealCache",allEntries = true) //清楚setmealCache名称下的所有缓存数据
    public R<String> save(@RequestBody SetmealDto setmealDto) {

        setmealService.saveWithDish(setmealDto);
        return R.success("添加成功");
    }


    /**
     * 套餐分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public R<Page> page(int page,int pageSize,String name){
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name!=null,Setmeal::getName,name);

        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmealService.page(pageInfo,queryWrapper);

        Page<SetmealDto> dtoPage = new Page<>();
        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map(item->{
            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item, setmealDto);
            //f分类
            Long categoryId = item.getCategoryId();
            //根据分类id查询分类对象
            Category category = categoryService.getById(categoryId);
            if(category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);
            }
                return setmealDto;
        }).collect(Collectors.toList());
        dtoPage.setRecords(list);
        return  R.success(dtoPage);
    }

    /**
     * 修改状态
     * @param status
     * @param ids
     * @return
     */

    @PostMapping("/status/{status}")
    public R<String> sale(@PathVariable int status, String[] ids) {
        for (String id : ids) {
            Setmeal service = setmealService.getById(id);
            service.setStatus(status);
            setmealService.updateById(service);
        }
        return R.success("修改成功");
    }

    /**
     * 删除
     * @param ids
     * @return
     */
    @DeleteMapping
    @CacheEvict(value = "setmealCache",allEntries = true) //清楚setmealCache名称下的所有缓存数据
    public R<String> delete(@RequestParam List<Long> ids){
        setmealService.removeWithDish(ids);
        return R.success("删除成功");
    }

    /**
     * 回显数据
     * @param id
     * @return
     */
    @GetMapping("/{id}")
    public R<SetmealDto> get(@PathVariable Long id) {
        SetmealDto setmealDto = setmealService.getByIdWithDish(id);
        return R.success(setmealDto);
    }

    /**
     * 修改
     * @param setmealDto
     * @return
     */
    @PutMapping
    public R<String> update(@RequestBody SetmealDto setmealDto) {
        setmealService.updateWithDish(setmealDto);
        return R.success("修改成功");
    }

    /**
     * 根据条件查询套餐数据
     * @param setmeal
     * @return
     */
    @GetMapping("/list")
    @Cacheable(value = "setmealCache",key = "#setmeal.categoryId + '_' + #setmeal.status")
    public R<List<Setmeal>> list(Setmeal setmeal){
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId() != null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus() != null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmealService.list(queryWrapper);
        return R.success(list);
    }
}
